def testGlob(self):
print(libc.glob('*.py'))
# This will not match anything!
print(libc.glob('\\'))
# This one will match a file named \
print(libc.glob('\\\\'))
def Expand(self, arg):
"""Given a string that could be a glob, return a list of strings."""
# e.g. don't glob 'echo' because it doesn't look like a glob
if not LooksLikeGlob(arg):
u = _GlobUnescape(arg)
return [u]
if self.exec_opts.noglob:
return [arg]
try:
#g = glob.glob(arg) # Bad Python glob
# PROBLEM: / is significant and can't be escaped! Have to avoid
# globbing it.
g = libc.glob(arg)
except Exception as e:
# - [C\-D] is invalid in Python? Regex compilation error.
# - [:punct:] not supported
print("Error expanding glob %r: %s" % (arg, e))
raise
#log('glob %r -> %r', arg, g)
if g:
return g
else: # Nothing matched
if self.exec_opts.failglob:
# TODO: Make the command return status 1.
raise NotImplementedError
if self.exec_opts.nullglob:
return []
else:
# Return the original string
u = _GlobUnescape(arg)
return [u]
def Expand(self, arg):
# TODO: Only try to glob if there are any glob metacharacters.
# Or maybe it is a conservative "avoid glob" heuristic?
#
# Non-glob but with glob characters:
# echo ][
# echo [] # empty
# echo []LICENSE # empty
# echo [L]ICENSE # this one is good
# So yeah you need to test the validity somehow.
try:
#g = glob.glob(arg) # Bad Python glob
# PROBLEM: / is significant and can't be escaped! Hav eto avoid globbing it.
g = libc.glob(arg)
except Exception as e:
# - [C\-D] is invalid in Python? Regex compilation error.
# - [:punct:] not supported
print("Error expanding glob %r: %s" % (arg, e))
raise
#print('G', arg, g)
#log('Globbing %s', arg)
if g:
return g
else:
u = _GlobUnescape(arg)
return [u]
def Expand(self, arg, out):
# type: (str, List[str]) -> int
"""Given a string that could be a glob, append a list of strings to 'out'.
Returns:
Number of items appended.
"""
if not LooksLikeGlob(arg):
# e.g. don't glob 'echo' because it doesn't look like a glob
out.append(GlobUnescape(arg))
return 1
if self.exec_opts.noglob():
# we didn't glob escape it in osh/word_eval.py
out.append(arg)
return 1
try:
results = libc.glob(arg)
except RuntimeError as e:
# These errors should be rare: I/O error, out of memory, or unknown
# There are no syntax errors. (But see comment about globerr() in
# native/libc.c.)
# note: MyPy doesn't know RuntimeError has e.message (and e.args)
msg = e.message # type: str
stderr_line("Error expanding glob %r: %s", arg, msg)
raise
#log('glob %r -> %r', arg, g)
n = len(results)
if n: # Something matched
for name in results:
# Omit files starting with - to solve the --.
# dash_glob turned OFF with shopt -s oil:basic.
if name.startswith('-') and not self.exec_opts.dashglob():
n -= 1
continue
out.append(name)
return n
# Nothing matched
#if self.exec_opts.failglob():
# note: to match bash, the whole command has to return 1. But this also
# happens in for loop and array literal contexts. It might not be worth
# it?
# raise NotImplementedError()
if self.exec_opts.nullglob():
return 0
# Return the original string
out.append(GlobUnescape(arg))
return 1
def testGlob(self):
print('GLOB')
print(libc.glob('*.py'))
